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Green circuit board with black memory chips and gold edge connector

Computer Memory Solutions

Computer Memory Solutions CM512646400SO 4GB DDR2 800MHz SODIMM memory upgrade

SKU CH-EH5J-6ER2K

4GB DDR2 800MHz SODIMM module upgrades compatible Toshiba Satellite L455D and L500 models with CL6 timing and 1.8V operation

  • Total capacity4 GB
  • Rated speedDDR2 800 (PC2 6400)
  • ChipsetMajor Brand Chipset
  • CAS latencyCL6
  • Memory timings6-6-6
  • Rated voltage1.8 V
  • 4GB capacity expands system memory for multitasking
  • DDR2 800MHz speed matches PC2-6400 specification
  • CL6 latency with 6-6-6 timing supports responsive operation
  • 200-pin SODIMM form factor fits compatible Toshiba Satellite notebooks
  • Unbuffered non-ECC design installs directly in available slots

Targeted DDR2 SODIMM Upgrade

This 4 GB DDR2-800 module uses the 200-pin SO-DIMM form factor and runs at 1.8 V with CL6 timings. It is built for the Toshiba Satellite L455D-S5976 and L455D-SP5012L models listed by the supplier.

Owners of Listed Toshiba Satellites

The kit suits users upgrading one of the named Satellite L455D or L500 variants that accept DDR2 SO-DIMM memory. It is not suited for systems that require a different pin count, voltage or memory generation.

Dual-Channel Pair Requirement

The supplier notes that modules must be ordered and installed in pairs for dual-channel mode. A single 4 GB stick may be recognised as 3.5 GB or less depending on the system configuration.

How it compares

Measured against everything we stock in Model-Specific Memory Upgrades, at today’s prices. Recalculated every night.

Price $50.99
Cheaper than about 77% of the 21,161 comparable items (median $397.99).
Total capacity 4 GB
Lower than about 90% of the 20,941 comparable items (median 32 GB).
Price per GB $12.75 per GB
Pricier than about 59% of the 20,941 comparable items (median $8.19 per GB).

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Specifications

Product
Brand nameComputer Memory Solutions
Model nameCM512646400SO
Total capacity4 GB
Product type200-Pin DDR2 SO-DIMM
Performance
Rated speedDDR2 800 (PC2 6400)
Processor
ChipsetMajor Brand Chipset
Memory
CAS latencyCL6
Memory timings6-6-6
ECC supportNo
Buffer typeUnbuffered
Memory rank2Rx8
Heat spreaderNo
Power
Rated voltage1.8 V
Compatibility
Compatible systemsToshiba Satellite L455D-S5976, L455D-Sp5012L
In the box
Included items1 Memory RAM Stick

Questions about this item

Does this 1.8V DDR2 SODIMM add noticeable heat or fan noise when running all day in a Satellite L455D?

The module runs at the standard 1.8V for DDR2 and has no heat spreader, so it adds minimal thermal load to the laptop's existing cooling.

Must the Satellite L455D already have a free 200-pin DDR2 slot and support PC2-6400 CL6 unbuffered memory for this stick to work?

Yes, the notebook needs an available 200-pin SO-DIMM socket that accepts DDR2-800 unbuffered non-ECC modules at CL6 timing.

If I keep the original 2GB module in the second slot, will this 4GB stick run in dual-channel mode on the L455D?

The system requires matched pairs for dual-channel operation, so a single 4GB stick alongside a 2GB module will run in single-channel mode.

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